Predictions for Grazing Occultation of ZC 1466, 2008 May 12

Grazing Occultation of    1466 cB9      Magnitude   5.3 
 1466 = nu Leonis                             

Date   2008 May 12    (Monday)     Nominal site altitude  0m

E. Longit.   Latitude     U.T.    Sun  Moon   TanZ   PA    WA      CA
   o  '  "    o  '  "   h  m  s   Alt Alt Az          o     o      o
 115  0  0  -31  3 54  15 40 52        9 290  6.25  32.9  14.57  12.86N
 115 10  0  -31  7  4  15 40 56        9 290  6.37  32.9  14.53  12.83N
 115 20  0  -31 10 12  15 41  0        9 290  6.49  32.8  14.49  12.79N
 115 30  0  -31 13 19  15 41  4        9 290  6.62  32.8  14.45  12.75N
 115 40  0  -31 16 25  15 41  8        8 290  6.75  32.7  14.41  12.71N
 115 50  0  -31 19 30  15 41 12        8 290  6.89  32.7  14.37  12.67N
 116  0  0  -31 22 34  15 41 16        8 290  7.03  32.7  14.33  12.63N
 116 10  0  -31 25 37  15 41 19        8 290  7.18  32.6  14.29  12.59N
 116 20  0  -31 28 38  15 41 23        8 290  7.33  32.6  14.25  12.55N
 116 30  0  -31 31 39  15 41 27        8 290  7.49  32.5  14.21  12.51N
 116 40  0  -31 34 39  15 41 30        7 289  7.65  32.5  14.17  12.47N
 116 50  0  -31 37 38  15 41 34        7 289  7.82  32.5  14.13  12.43N
 117  0  0  -31 40 35  15 41 37        7 289  8.00  32.4  14.10  12.39N
 117 10  0  -31 43 32  15 41 40        7 289  8.19  32.4  14.06  12.35N
 117 20  0  -31 46 27  15 41 44        7 289  8.39  32.3  14.02  12.31N
 117 30  0  -31 49 22  15 41 47        7 289  8.59  32.3  13.98  12.27N
 117 40  0  -31 52 15  15 41 50        6 289  8.81  32.3  13.94  12.24N
 117 50  0  -31 55  8  15 41 53        6 289  9.03  32.2  13.90  12.20N
 118  0  0  -31 57 59  15 41 56        6 289  9.27  32.2  13.86  12.16N
 118 10  0  -32  0 50  15 41 59        6 289  9.52  32.2  13.83  12.12N
 118 20  0  -32  3 39  15 42  2        6 289  9.78  32.1  13.79  12.08N
 118 30  0  -32  6 28  15 42  5        6 288 10.05  32.1  13.75  12.05N
 118 40  0  -32  9 16  15 42  8        6 288 10.34  32.0  13.71  12.01N
 118 50  0  -32 12  2  15 42 11        5 288 10.65  32.0  13.67  11.97N
 119  0  0  -32 14 48  15 42 13        5 288 10.97  32.0  13.64  11.93N

Path coordinates are referred to WGS84 (as used by GPS).

   1466 is double :   6.0  6.0   0.050"    0.0
Graze Path of component #2  0.08km South, and 0.1 secs. earlier cf. primary.

                Librations  Long +6.32   Lat +0.31
                            P +13.7     D +1.4
      Illumination of moon  54%+
        Elongation of Moon  95
    Vertical Profile Scale  1.89 km/arcsec at mean distance of moon
   Horizontal Scale Factor  1.92 deg/min

Limiting Magnitudes for various telescope apertures (in mm)
      CA\Tdia  50   100   150   200   250   300   350
     7.9      3.4   4.7   5.3   5.7   5.9   6.0   6.1
     9.9      3.4   4.7   5.4   5.7   5.9   6.0   6.1
    11.9      3.5   4.8   5.4   5.8   6.0   6.1   6.2
    13.9      3.5   4.9   5.5   5.9   6.1   6.2   6.3
    15.9      3.6   4.9   5.6   5.9   6.2   6.3   6.4
    

Lunar Limb Profile